Molecular modelling of Mycobacterium tuberculosis acetolactate synthase catalytic subunit and its molecular docking study with inhibitors |
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Authors: | Thais CS Souza Daniela Josa Teodorico C Ramalho Melissa Soares Caetano |
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Institution: | Departamento de Química , Universidade Federal de Lavras , Lavras, MG, Brazil |
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Abstract: | Mycobacterium tuberculosis is a leading cause of infectious disease in the world today. This outlook is aggravated by a growing number of M. tuberculosis infections in individuals who are immunocompromised as a result of HIV infections. Thus, new and more potent anti-TB agents are necessary. Therefore, acetolactate synthase (mtALS) was selected as a target enzyme to combat M. tuberculosis. In this work, the three-dimensional molecular model of the hypothetical structure for the ALS catalytic subunit of M. tuberculosis was elucidated by homology modelling. In addition, the orientations and binding affinities of sulfonylurea inhibitors with the new structure was investigated. Our findings could be helpful for the design of new, more potent mtAHAS inhibitors. |
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Keywords: | homology modelling molecular docking sulphonylureas Mycobacterium tuberculosis acetolactate synthase |
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